Question

【题目】__ regular exercise is very important, it’s not a good idea to exercise too close to bedtime.

A. If B. As C. Although D. Unless

Answer 1

【答案】C

【解析】

试题分析：句意：尽管有规律的锻炼很重要，但是太接近睡觉时间锻炼不是个好主意。if 如果；as因为；although尽管；unless除非。根据句意故选C。